Hey guys I’ve got a stock 63 impala with 327. I’m looking to install coolant temp gauge. It was screwed into where the idiot lights go but have reinstalled the idiot lights to have them working but now I don’t know where to put the accessory coolant temp sender.
You can drill and tap your intake manifold into the coolant p***age between the first two mounting bolts holding the intake manifold for 1/2" NPT.
I bought a bottle of aspirin with a cotton ball in it, I removed the cotton. I think you will find you need to remove the Teflon tape as well. Check the head for a plug in the water jacket. If it doesn't have one, add the T-stat cover like is shown above.
If it is the 1963 327 heads, there are no threaded plugs in the cylinder heads. I believe that 68 was the first year for that
Disagree with this, this is actually 2 senders in one, cold and hot. Both sides need to ground through housing.
I think I’ll just go back and reinstall the temp gauge. I’m an idiot that can’t figure out the idiot light
With the key on ground the wires at the sender, should turn on both lights. If it does connect the light green to the terminal that turns the cold light on, dark green to the other one. If the lights don't come on, you have an issue under the dash or with the firewall connector.
If the temperature gauge is electric there is a way to make the idiot lights work from the gauge sensor. Using an LM393 comparator IC and some resistors, a circuit can be made that compares < 150f and > 250f from the sensor and sends signals to both cold and hot idiot lights. I am going to do this for my 59 Oldsmobile.